Combined cooling and heating apparatus

Claim 1

A COMBINED HEATING AND COOLING APPARATUS COMPRISING A RECTANGULARLY SHAPED HOUSING HAVING AN OPENING IN ONE SIDE THEREOF TO PROVIDE AN INTAKE FOR OUTSIDE AIR INTO SAID HOUSING, AND A PAIR OF OPENINGS IN ANOTHER WALL PORTION OF SAID HOUSING FOR DELIVERY OF AIR TO AND RETURN OF AIR FROM A SPACE TO BE CONDITIONED, A SHELF WITHIN SAID HOUSING EXTENDING PARTIALLY ACROSS SAID HOUSING FOR DIVIDING SAID HOUSING INTO TWO COMPARTMENTS HAVING AN OPENING THEREBETWEEN OPPOSITELY DISPOSED TO THE AIR RETURN ONE OF SAID PAIR OF OPENINGS, A PIVOTED DAMPER MOVABLE BETWEEN THE INTAKE OPENING IN SAID HOUSING AND THE OPENING BETWEEN SAID COMPARTMENTS FOR ALTERNATELY CLOSING ONE OR THE OTHER THEREOF, SAID SHELF PROVIDING AN OPENING THEREIN OPPOSITELY DISPOSED TO THE AIR DELIVERY ONE OF THE PAIR OF OPENINGS, A HEATER ASSEMBLY POSITIONED BETWEEN SAID LAST OPENINGS, A HEATER ASSEMBLY POSITIONED BETWEEN HEATER ASSEMBLY AND EXTENDING BETWEEN SAID LAST OPENINGS, MEANS FOR MOVING SAID DAMPER BETWEEN ALTERNATE POSITIONS, AND MEANS WITHIN SAID HOUSING FOR CIRCULATING AIR THROUGH SAID HOUSING AND OVER SAID HEATER ASSEMBLY AND OUT THROUGH THE DELIVERY ONE OF SAID OPENINGS.